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How to install Gemini Relay in Gemini CLI

Gemini CLI was replaced by Antigravity CLI in June 2026. On an enterprise licence or paid API key you can still install Gemini Relay by running "gemini mcp add gemini-relay npx -y gemini-relay", then type /mcp to check it.

Built from the published package · server updated 4 days ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add gemini-relay npx -y gemini-relay
  2. 2

    Check it

    Inside Gemini CLI, type /mcp to list servers and tools.

MCP servers run with your permissions. If Gemini Relay needs an API key, add it under env in the config. Check its README.

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Questions

Does Gemini Relay work in Gemini CLI?

Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Gemini Relay installs with the steps above.

Gemini Relay does not show up in Gemini CLI. What now?

Restart Gemini CLI fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is Gemini Relay safe?

It scores 67 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.